/* roulang page: index */
:root {
            --brand-orange: #FF5500;
            --brand-orange-hover: #E04B00;
            --brand-dark: #121316;
            --brand-card-dark: #1B1E23;
            --brand-black: #0D0E11;
            --brand-gray-bg: #F8F9FA;
            --brand-gray-card: #FFFFFF;
            --brand-text-muted: #6C757D;
            --brand-border: #E5E7EB;
            --brand-border-dark: rgba(255,255,255,0.12);
            --brand-green: #059669;
            --brand-font-num: "DIN Alternate", "Oswald", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
        }

        /* Base Reset*/
        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
            background-color: var(--brand-gray-bg);
            color: var(--brand-black);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: all 0.18s cubic-bezier(0.4, 0, 0.2, 1);
        }

        /* Top Navbar */
        .site-header {
            background-color: var(--brand-black);
            border-bottom: 2px solid var(--brand-orange);
            position: sticky;
            top: 0;
            z-index: 1020;
        }

        .brand-logo {
            font-size: 1.45rem;
            font-weight: 900;
            letter-spacing: -0.5px;
            color: #FFFFFF;
            display: inline-flex;
            align-items: center;
        }

        .brand-logo span {
            background-color: var(--brand-orange);
            color: #FFFFFF;
            font-size: 0.75rem;
            font-weight: 700;
            padding: 2px 6px;
            margin-left: 8px;
            border-radius: 3px;
            text-transform: uppercase;
        }

        .segmented-nav {
            background: rgba(255, 255, 255, 0.08);
            border-radius: 50px;
            padding: 4px;
            display: inline-flex;
            gap: 4px;
        }

        .segmented-nav .nav-link {
            border-radius: 50px;
            padding: 6px 18px;
            font-size: 0.9rem;
            font-weight: 600;
            color: #ADB5BD;
            transition: all 0.2s ease;
        }

        .segmented-nav .nav-link.active,
        .segmented-nav .nav-link:hover {
            background-color: #FFFFFF;
            color: var(--brand-black);
            box-shadow: 0 2px 4px rgba(0,0,0,0.2);
        }

        .btn-brand-orange {
            background-color: var(--brand-orange);
            color: #FFFFFF;
            font-weight: 700;
            border: 1px solid var(--brand-orange);
            border-radius: 4px;
            padding: 8px 20px;
            box-shadow: 0 2px 0 var(--brand-black);
            transition: all 0.18s cubic-bezier(0.4, 0, 0.2, 1);
        }

        .btn-brand-orange:hover,
        .btn-brand-orange:focus {
            background-color: var(--brand-orange-hover);
            color: #FFFFFF;
            transform: translateY(-2px);
            box-shadow: 0 4px 0 var(--brand-black);
        }

        .btn-brand-dark {
            background-color: var(--brand-card-dark);
            color: #FFFFFF;
            font-weight: 700;
            border: 1px solid rgba(255,255,255,0.2);
            border-radius: 4px;
            padding: 8px 20px;
            box-shadow: 0 2px 0 var(--brand-black);
            transition: all 0.18s ease;
        }

        .btn-brand-dark:hover {
            background-color: #2D3239;
            color: #FFFFFF;
            transform: translateY(-2px);
        }

        /* Typography & Utility Components */
        .din-num {
            font-family: var(--brand-font-num);
            font-weight: 900;
            letter-spacing: -0.5px;
        }

        .tactical-tag {
            display: inline-block;
            background: #E5E7EB;
            color: #1F2937;
            font-size: 0.75rem;
            font-weight: 700;
            padding: 3px 8px;
            border-radius: 3px;
            text-transform: uppercase;
        }

        .section-header {
            margin-bottom: 2.2rem;
            position: relative;
        }

        .section-header h2 {
            font-size: 1.75rem;
            font-weight: 800;
            color: var(--brand-black);
            position: relative;
            display: inline-block;
            padding-left: 14px;
        }

        .section-header h2::before {
            content: "";
            position: absolute;
            left: 0;
            top: 15%;
            bottom: 15%;
            width: 5px;
            background-color: var(--brand-orange);
            border-radius: 2px;
        }

        .section-header p {
            color: var(--brand-text-muted);
            margin-top: 6px;
            font-size: 0.95rem;
            max-width: 780px;
        }

        .tactical-card {
            background: #FFFFFF;
            border: 1px solid var(--brand-border);
            border-radius: 4px;
            box-shadow: 0 2px 0 var(--brand-black);
            transition: all 0.18s cubic-bezier(0.4, 0, 0.2, 1);
            height: 100%;
        }

        .tactical-card:hover {
            transform: translateY(-3px);
            box-shadow: 0 6px 0 var(--brand-black);
        }

        /* 1. KPI Scoreboard Hero (众筹预热/档位预览结构变体) */
        .hero-section {
            background-color: var(--brand-dark);
            color: #FFFFFF;
            padding: 50px 0 60px;
            border-bottom: 1px solid var(--brand-border-dark);
        }

        .crowd-ring-box {
            background: var(--brand-card-dark);
            border: 1px solid var(--brand-border-dark);
            border-radius: 6px;
            padding: 24px;
            text-align: center;
        }

        .progress-stat-circle {
            width: 140px;
            height: 140px;
            border-radius: 50%;
            border: 10px solid #2B2F38;
            border-top-color: var(--brand-orange);
            border-right-color: var(--brand-orange);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            transform: rotate(45deg);
        }

        .progress-stat-circle span {
            transform: rotate(-45deg);
            font-size: 2.2rem;
            font-weight: 900;
            color: #FFFFFF;
        }

        .pledge-card {
            background: #1F232B;
            border: 1px solid rgba(255,255,255,0.08);
            border-radius: 4px;
            padding: 14px 18px;
            margin-bottom: 10px;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        /* 2. Real-time Status Bar */
        .status-strip {
            background-color: #000000;
            color: #D1D5DB;
            font-size: 0.82rem;
            padding: 12px 0;
            border-bottom: 1px solid #1F2937;
        }

        .pulse-light {
            width: 8px;
            height: 8px;
            background-color: var(--brand-green);
            border-radius: 50%;
            display: inline-block;
            margin-right: 6px;
            box-shadow: 0 0 8px var(--brand-green);
        }

        /* 4. Head to Head Board */
        .vs-table {
            background: #FFFFFF;
            border: 1px solid var(--brand-border);
            border-radius: 4px;
            overflow: hidden;
            box-shadow: 0 2px 0 var(--brand-black);
        }

        .vs-table th {
            background: #111827;
            color: #FFFFFF;
            font-weight: 700;
            padding: 14px 20px;
        }

        .vs-table td {
            padding: 14px 20px;
            border-bottom: 1px solid #F3F4F6;
        }

        /* 5. Timeline */
        .timeline-step {
            position: relative;
            padding-left: 45px;
            margin-bottom: 24px;
        }

        .timeline-badge {
            position: absolute;
            left: 0;
            top: 0;
            width: 32px;
            height: 32px;
            background: var(--brand-black);
            color: #FFFFFF;
            border-radius: 4px;
            font-weight: 900;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.9rem;
            box-shadow: 0 2px 0 var(--brand-orange);
        }

        /* 6. Category Portal Cards */
        .portal-card {
            background: linear-gradient(135deg, #1A1D24 0%, #0F1115 100%);
            border: 1px solid var(--brand-border-dark);
            border-radius: 6px;
            color: #FFFFFF;
            padding: 30px 24px;
            position: relative;
            overflow: hidden;
            transition: all 0.2s ease;
        }

        .portal-card::after {
            content: "";
            position: absolute;
            right: -20px;
            bottom: -20px;
            width: 100px;
            height: 100px;
            background: radial-gradient(circle, rgba(255,85,0,0.15) 0%, rgba(255,85,0,0) 70%);
        }

        .portal-card:hover {
            transform: translateY(-3px);
            border-color: var(--brand-orange);
        }

        /* 11. FAQ Accordion */
        .accordion-button:not(.collapsed) {
            color: var(--brand-orange);
            background-color: #FFF5F0;
            box-shadow: none;
        }

        .accordion-button:focus {
            box-shadow: none;
            border-color: var(--brand-border);
        }

        .accordion-item {
            border: 1px solid var(--brand-border);
            margin-bottom: 8px;
            border-radius: 4px !important;
            overflow: hidden;
        }

        /* 12. Leaderboard */
        .rank-badge {
            width: 26px;
            height: 26px;
            background: #E5E7EB;
            color: var(--brand-black);
            font-weight: 900;
            font-size: 0.85rem;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: 3px;
        }

        .rank-badge.top-1 { background: var(--brand-orange); color: #FFFFFF; }
        .rank-badge.top-2 { background: #1F2937; color: #FFFFFF; }
        .rank-badge.top-3 { background: #4B5563; color: #FFFFFF; }

        /* Footer */
        .site-footer {
            background-color: #0B0C0E;
            color: #9CA3AF;
            border-top: 3px solid var(--brand-dark);
            padding: 50px 0 30px;
            font-size: 0.88rem;
        }

        .site-footer h6 {
            color: #FFFFFF;
            font-weight: 800;
            margin-bottom: 18px;
            font-size: 0.95rem;
            letter-spacing: 0.5px;
        }

        .site-footer ul {
            list-style: none;
            padding-left: 0;
        }

        .site-footer ul li {
            margin-bottom: 8px;
        }

        .site-footer a:hover {
            color: var(--brand-orange);
        }

        .footer-strip {
            border-top: 1px solid rgba(255,255,255,0.08);
            padding-top: 24px;
            margin-top: 40px;
            text-align: center;
            font-size: 0.8rem;
            color: #6B7280;
        }

        @media (max-width: 991px) {
            .segmented-nav {
                margin: 15px 0;
                width: 100%;
                justify-content: center;
            }
        }

/* roulang page: category2 */
:root {
      --brand-orange: #FF5500;
      --brand-orange-hover: #E04B00;
      --brand-dark: #121316;
      --brand-card-dark: #1B1E23;
      --brand-black: #0D0E11;
      --brand-gray-bg: #F8F9FA;
      --brand-gray-card: #FFFFFF;
      --brand-text-muted: #6C757D;
      --brand-border: #E5E7EB;
      --brand-border-dark: rgba(255,255,255,0.12);
      --brand-green: #059669;
      --brand-font-num: "DIN Alternate", "Oswald", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    }

    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
      background-color: var(--brand-gray-bg);
      color: var(--brand-black);
      line-height: 1.7;
      -webkit-font-smoothing: antialiased;
    }

    a {
      text-decoration: none;
      color: inherit;
      transition: all 0.18s cubic-bezier(0.4, 0, 0.2, 1);
    }

    /* Header & Navigation */
    .site-header {
      background-color: var(--brand-black);
      border-bottom: 2px solid var(--brand-orange);
      position: sticky;
      top: 0;
      z-index: 1020;
    }

    .brand-logo {
      font-size: 1.45rem;
      font-weight: 900;
      letter-spacing: -0.5px;
      color: #FFFFFF;
      display: inline-flex;
      align-items: center;
    }

    .brand-logo span {
      background-color: var(--brand-orange);
      color: #FFFFFF;
      font-size: 0.75rem;
      font-weight: 700;
      padding: 2px 6px;
      margin-left: 8px;
      border-radius: 3px;
      text-transform: uppercase;
    }

    .segmented-nav {
      background: rgba(255, 255, 255, 0.08);
      border-radius: 50px;
      padding: 4px;
      display: inline-flex;
      gap: 4px;
    }

    .segmented-nav .nav-link {
      border-radius: 50px;
      padding: 6px 18px;
      font-size: 0.9rem;
      font-weight: 600;
      color: #ADB5BD;
      transition: all 0.2s ease;
    }

    .segmented-nav .nav-link.active,
    .segmented-nav .nav-link:hover {
      background-color: #FFFFFF;
      color: var(--brand-black);
      box-shadow: 0 2px 4px rgba(0,0,0,0.2);
    }

    .btn-brand-orange {
      background-color: var(--brand-orange);
      color: #FFFFFF;
      font-weight: 700;
      border: 1px solid var(--brand-orange);
      border-radius: 4px;
      padding: 8px 20px;
      box-shadow: 0 2px 0 var(--brand-black);
      transition: all 0.18s cubic-bezier(0.4, 0, 0.2, 1);
      display: inline-flex;
      align-items: center;
      justify-content: center;
    }

    .btn-brand-orange:hover,
    .btn-brand-orange:focus {
      background-color: var(--brand-orange-hover);
      color: #FFFFFF;
      transform: translateY(-2px);
      box-shadow: 0 4px 0 var(--brand-black);
    }

    .btn-brand-dark {
      background-color: var(--brand-card-dark);
      color: #FFFFFF;
      font-weight: 700;
      border: 1px solid rgba(255,255,255,0.2);
      border-radius: 4px;
      padding: 8px 20px;
      box-shadow: 0 2px 0 var(--brand-black);
      transition: all 0.18s ease;
      display: inline-flex;
      align-items: center;
      justify-content: center;
    }

    .btn-brand-dark:hover {
      background-color: #2D3239;
      color: #FFFFFF;
      transform: translateY(-2px);
    }

    /* Section Typography & Utilities */
    .section-header {
      margin-bottom: 2rem;
      position: relative;
    }

    .section-header h2 {
      font-size: 1.65rem;
      font-weight: 800;
      color: var(--brand-black);
      position: relative;
      display: inline-block;
      padding-left: 14px;
      margin-bottom: 0.4rem;
    }

    .section-header h2::before {
      content: "";
      position: absolute;
      left: 0;
      top: 15%;
      bottom: 15%;
      width: 5px;
      background-color: var(--brand-orange);
      border-radius: 2px;
    }

    .section-header p {
      color: var(--brand-text-muted);
      margin-top: 4px;
      font-size: 0.95rem;
      max-width: 820px;
    }

    .tactical-card {
      background: #FFFFFF;
      border: 1px solid var(--brand-border);
      border-radius: 4px;
      box-shadow: 0 2px 0 var(--brand-black);
      transition: all 0.18s cubic-bezier(0.4, 0, 0.2, 1);
      height: 100%;
    }

    .tactical-card:hover {
      transform: translateY(-3px);
      box-shadow: 0 6px 0 var(--brand-black);
    }

    .tactical-tag {
      display: inline-block;
      background: #E5E7EB;
      color: #1F2937;
      font-size: 0.75rem;
      font-weight: 700;
      padding: 2px 8px;
      border-radius: 3px;
      text-transform: uppercase;
      letter-spacing: 0.3px;
    }

    .tactical-tag-orange {
      background: #FFF0EB;
      color: var(--brand-orange);
      border: 1px solid #FFD4C2;
    }

    .tactical-tag-green {
      background: #ECFDF5;
      color: var(--brand-green);
      border: 1px solid #A7F3D0;
    }

    .pulse-light {
      display: inline-block;
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background-color: var(--brand-green);
      box-shadow: 0 0 0 2px rgba(5, 150, 105, 0.25);
    }

    /* 1. Category Header Banner */
    .cat-header-banner {
      background-color: var(--brand-dark);
      color: #FFFFFF;
      padding: 38px 0;
      border-bottom: 1px solid var(--brand-border-dark);
    }

    .cat-breadcrumb {
      font-size: 0.85rem;
      color: #9CA3AF;
      margin-bottom: 12px;
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .cat-breadcrumb a {
      color: #D1D5DB;
    }

    .cat-breadcrumb a:hover {
      color: var(--brand-orange);
    }

    .cat-h1 {
      font-size: 2.1rem;
      font-weight: 900;
      letter-spacing: -0.5px;
      margin-bottom: 10px;
      color: #FFFFFF;
    }

    .cat-meta-strip {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      align-items: center;
      margin-top: 14px;
    }

    .cat-stat-chip {
      background: var(--brand-card-dark);
      border: 1px solid rgba(255, 255, 255, 0.12);
      border-radius: 4px;
      padding: 4px 12px;
      font-size: 0.82rem;
      display: inline-flex;
      align-items: center;
      gap: 6px;
      color: #E5E7EB;
    }

    .cat-stat-chip strong {
      color: var(--brand-orange);
      font-family: var(--brand-font-num);
      font-size: 1.05rem;
    }

    /* 2. Segmented Filter Bar */
    .filter-panel {
      background: #FFFFFF;
      border: 1px solid var(--brand-border);
      border-radius: 4px;
      padding: 16px 20px;
      margin-top: -24px;
      box-shadow: 0 3px 0 var(--brand-black);
      position: relative;
      z-index: 10;
    }

    .filter-row {
      display: flex;
      align-items: center;
      flex-wrap: wrap;
      gap: 10px;
      padding: 6px 0;
    }

    .filter-label {
      font-size: 0.85rem;
      font-weight: 700;
      color: #4B5563;
      min-width: 82px;
      text-transform: uppercase;
      letter-spacing: 0.5px;
    }

    .filter-chips {
      display: flex;
      flex-wrap: wrap;
      gap: 6px;
    }

    .filter-chip {
      background: #F3F4F6;
      border: 1px solid #E5E7EB;
      color: #374151;
      font-size: 0.82rem;
      font-weight: 600;
      padding: 4px 12px;
      border-radius: 50px;
      cursor: pointer;
      transition: all 0.15s ease;
    }

    .filter-chip.active,
    .filter-chip:hover {
      background: var(--brand-black);
      color: #FFFFFF;
      border-color: var(--brand-black);
    }

    /* 3. Main Content Grid */
    .metric-val {
      font-family: var(--brand-font-num);
      font-weight: 800;
      color: var(--brand-black);
    }

    .record-card-head {
      background: #FAFAFA;
      border-bottom: 1px solid var(--brand-border);
      padding: 12px 16px;
      display: flex;
      justify-content: space-between;
      align-items: center;
    }

    .record-card-body {
      padding: 18px 16px;
    }

    .spec-line {
      display: flex;
      justify-content: space-between;
      font-size: 0.85rem;
      padding: 4px 0;
      border-bottom: 1px dashed #F1F3F5;
    }

    .spec-line:last-child {
      border-bottom: none;
    }

    /* 4. Pagination */
    .tactical-pagination {
      display: inline-flex;
      gap: 6px;
      align-items: center;
    }

    .tactical-page-btn {
      width: 40px;
      height: 40px;
      display: flex;
      align-items: center;
      justify-content: center;
      background: #FFFFFF;
      border: 1px solid var(--brand-border);
      font-weight: 700;
      font-size: 0.9rem;
      border-radius: 4px;
      box-shadow: 0 2px 0 var(--brand-black);
      color: var(--brand-black);
    }

    .tactical-page-btn.active,
    .tactical-page-btn:hover {
      background: var(--brand-orange);
      color: #FFFFFF;
      border-color: var(--brand-orange);
    }

    /* 5. Highlights Board */
    .comparison-box {
      background: var(--brand-card-dark);
      border: 1px solid var(--brand-border-dark);
      border-radius: 6px;
      padding: 24px;
      color: #FFFFFF;
    }

    .comp-table-tactical {
      width: 100%;
      border-collapse: separate;
      border-spacing: 0 8px;
    }

    .comp-table-tactical th {
      color: #9CA3AF;
      font-size: 0.85rem;
      font-weight: 700;
      text-transform: uppercase;
      padding: 8px 14px;
      border: none;
    }

    .comp-table-tactical td {
      background: #14171C;
      padding: 12px 14px;
      font-size: 0.9rem;
      border: 1px solid rgba(255, 255, 255, 0.06);
    }

    .comp-table-tactical tr td:first-child {
      border-top-left-radius: 4px;
      border-bottom-left-radius: 4px;
      font-weight: 700;
      color: #F3F4F6;
    }

    .comp-table-tactical tr td:last-child {
      border-top-right-radius: 4px;
      border-bottom-right-radius: 4px;
    }

    /* 6. FAQ Accordion */
    .tactical-accordion .accordion-item {
      background: #FFFFFF;
      border: 1px solid var(--brand-border);
      border-radius: 4px !important;
      margin-bottom: 12px;
      box-shadow: 0 2px 0 var(--brand-black);
      overflow: hidden;
    }

    .tactical-accordion .accordion-button {
      font-weight: 700;
      font-size: 1rem;
      color: var(--brand-black);
      background-color: #FFFFFF;
      padding: 16px 20px;
    }

    .tactical-accordion .accordion-button:not(.collapsed) {
      color: var(--brand-orange);
      background-color: #FFF9F6;
      box-shadow: inset 0 -1px 0 var(--brand-border);
    }

    .tactical-accordion .accordion-button:focus {
      box-shadow: none;
      border-color: var(--brand-border);
    }

    .tactical-accordion .accordion-body {
      padding: 18px 20px;
      font-size: 0.92rem;
      color: #4B5563;
      line-height: 1.8;
      background: #FFFFFF;
    }

    /* 7. Topics Cloud */
    .topics-matrix {
      background: #F3F4F6;
      border: 1px solid var(--brand-border);
      border-radius: 6px;
      padding: 24px;
    }

    .topic-badge {
      display: inline-block;
      background: #FFFFFF;
      color: #374151;
      padding: 6px 14px;
      font-size: 0.85rem;
      font-weight: 600;
      border: 1px solid #E5E7EB;
      border-radius: 4px;
      margin: 4px;
      box-shadow: 0 1px 0 rgba(0,0,0,0.06);
      transition: all 0.15s ease;
    }

    .topic-badge:hover {
      background: var(--brand-black);
      color: #FFFFFF;
      border-color: var(--brand-black);
      transform: translateY(-1px);
    }

    /* Footer */
    .site-footer {
      background-color: var(--brand-black);
      color: #9CA3AF;
      padding: 50px 0 25px;
      border-top: 3px solid var(--brand-orange);
    }

    .site-footer h5, .site-footer h6 {
      color: #FFFFFF;
      font-weight: 800;
      margin-bottom: 14px;
    }

    .site-footer ul {
      list-style: none;
      padding-left: 0;
      margin-bottom: 0;
    }

    .site-footer ul li {
      margin-bottom: 8px;
    }

    .site-footer ul li a {
      color: #9CA3AF;
    }

    .site-footer ul li a:hover {
      color: var(--brand-orange);
    }

    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.1);
      padding-top: 20px;
      margin-top: 40px;
      font-size: 0.85rem;
      text-align: center;
      color: #6C757D;
    }

    @media (max-width: 991px) {
      .segmented-nav {
        margin: 10px 0;
        width: 100%;
        justify-content: center;
      }
      .filter-label {
        width: 100%;
      }
    }

/* roulang page: category1 */
:root {
        --brand-orange: #FF5500;
        --brand-orange-hover: #E04B00;
        --brand-dark: #121316;
        --brand-card-dark: #1B1E23;
        --brand-black: #0D0E11;
        --brand-gray-bg: #F8F9FA;
        --brand-gray-card: #FFFFFF;
        --brand-text-muted: #6C757D;
        --brand-border: #E5E7EB;
        --brand-border-dark: rgba(255,255,255,0.12);
        --brand-green: #059669;
        --brand-font-num: "DIN Alternate", "Oswald", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    }
    body {
        font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
        background-color: var(--brand-gray-bg);
        color: var(--brand-black);
        line-height: 1.7;
        -webkit-font-smoothing: antialiased;
    }
    a {
        text-decoration: none;
        color: inherit;
        transition: all 0.18s cubic-bezier(0.4, 0, 0.2, 1);
    }
    .site-header {
        background-color: var(--brand-black);
        border-bottom: 2px solid var(--brand-orange);
        position: sticky;
        top: 0;
        z-index: 1020;
    }
    .brand-logo {
        font-size: 1.45rem;
        font-weight: 900;
        letter-spacing: -0.5px;
        color: #FFFFFF;
        display: inline-flex;
        align-items: center;
    }
    .brand-logo span {
        background-color: var(--brand-orange);
        color: #FFFFFF;
        font-size: 0.75rem;
        font-weight: 700;
        padding: 2px 6px;
        margin-left: 8px;
        border-radius: 3px;
        text-transform: uppercase;
    }
    .segmented-nav {
        background: rgba(255, 255, 255, 0.08);
        border-radius: 50px;
        padding: 4px;
        display: inline-flex;
        gap: 4px;
    }
    .segmented-nav .nav-link {
        border-radius: 50px;
        padding: 6px 18px;
        font-size: 0.9rem;
        font-weight: 600;
        color: #ADB5BD;
        transition: all 0.2s ease;
    }
    .segmented-nav .nav-link.active,
    .segmented-nav .nav-link:hover {
        background-color: #FFFFFF;
        color: var(--brand-black);
        box-shadow: 0 2px 4px rgba(0,0,0,0.2);
    }
    .btn-brand-orange {
        background-color: var(--brand-orange);
        color: #FFFFFF;
        font-weight: 700;
        border: 1px solid var(--brand-orange);
        border-radius: 4px;
        padding: 8px 20px;
        box-shadow: 0 2px 0 var(--brand-black);
        transition: all 0.18s cubic-bezier(0.4, 0, 0.2, 1);
    }
    .btn-brand-orange:hover,
    .btn-brand-orange:focus {
        background-color: var(--brand-orange-hover);
        color: #FFFFFF;
        transform: translateY(-2px);
        box-shadow: 0 4px 0 var(--brand-black);
    }
    .tactical-tag {
        display: inline-block;
        background: #E5E7EB;
        color: #1F2937;
        font-size: 0.75rem;
        font-weight: 700;
        padding: 3px 8px;
        border-radius: 3px;
        text-transform: uppercase;
    }
    .section-header {
        margin-bottom: 2.2rem;
        position: relative;
    }
    .section-header h2 {
        font-size: 1.75rem;
        font-weight: 800;
        color: var(--brand-black);
        position: relative;
        display: inline-block;
        padding-left: 14px;
    }
    .section-header h2::before {
        content: "";
        position: absolute;
        left: 0;
        top: 15%;
        bottom: 15%;
        width: 5px;
        background-color: var(--brand-orange);
        border-radius: 2px;
    }
    .section-header p {
        color: var(--brand-text-muted);
        margin-top: 6px;
        font-size: 0.95rem;
        max-width: 780px;
    }
    .tactical-card {
        background: #FFFFFF;
        border: 1px solid var(--brand-border);
        border-radius: 4px;
        box-shadow: 0 2px 0 var(--brand-black);
        transition: all 0.18s cubic-bezier(0.4, 0, 0.2, 1);
        height: 100%;
    }
    .tactical-card:hover {
        transform: translateY(-3px);
        box-shadow: 0 6px 0 var(--brand-black);
    }

    /* Category Specific Styles */
    .cat-header-banner {
        background-color: var(--brand-dark);
        border-bottom: 1px solid var(--brand-border-dark);
        padding: 40px 0;
        color: #FFFFFF;
    }
    .cat-breadcrumb {
        font-size: 0.85rem;
        color: #9CA3AF;
        margin-bottom: 12px;
    }
    .cat-breadcrumb a {
        color: #D1D5DB;
    }
    .cat-breadcrumb a:hover {
        color: var(--brand-orange);
    }
    .cat-title-wrap h1 {
        font-size: 2rem;
        font-weight: 900;
        color: #FFFFFF;
        letter-spacing: -0.5px;
        margin-bottom: 8px;
    }
    .cat-badge-counter {
        background: #23272F;
        border: 1px solid rgba(255,255,255,0.15);
        padding: 6px 14px;
        border-radius: 4px;
        font-family: var(--brand-font-num);
        color: #E5E7EB;
        display: inline-flex;
        align-items: center;
        gap: 8px;
    }
    .cat-badge-counter .num-highlight {
        color: var(--brand-orange);
        font-weight: 900;
        font-size: 1.25rem;
    }

    .filter-panel-bar {
        background: #FFFFFF;
        border: 1px solid var(--brand-border);
        border-radius: 4px;
        padding: 16px 20px;
        box-shadow: 0 2px 0 var(--brand-black);
        margin-bottom: 30px;
    }
    .filter-row {
        display: flex;
        align-items: center;
        flex-wrap: wrap;
        gap: 10px;
        padding: 6px 0;
    }
    .filter-row-title {
        font-size: 0.85rem;
        font-weight: 800;
        color: var(--brand-black);
        min-width: 80px;
        text-transform: uppercase;
    }
    .chip-item {
        background: #F3F4F6;
        border: 1px solid #E5E7EB;
        color: #374151;
        font-size: 0.8rem;
        font-weight: 600;
        padding: 4px 12px;
        border-radius: 50px;
        cursor: pointer;
        transition: all 0.15s ease;
    }
    .chip-item:hover,
    .chip-item.active {
        background: var(--brand-black);
        color: #FFFFFF;
        border-color: var(--brand-black);
    }
    .chip-item.active {
        background: var(--brand-orange);
        border-color: var(--brand-orange);
    }

    .media-grid-card {
        background: #FFFFFF;
        border: 1px solid var(--brand-border);
        border-radius: 4px;
        overflow: hidden;
        box-shadow: 0 2px 0 var(--brand-black);
        display: flex;
        flex-direction: column;
        height: 100%;
        transition: all 0.2s ease;
    }
    .media-grid-card:hover {
        transform: translateY(-4px);
        box-shadow: 0 6px 0 var(--brand-black);
    }
    .media-thumb-box {
        position: relative;
        background: #1B1E23;
        height: 150px;
        display: flex;
        align-items: center;
        justify-content: center;
        border-bottom: 1px solid var(--brand-border);
    }
    .media-thumb-box .format-watermark {
        font-family: var(--brand-font-num);
        font-size: 2.2rem;
        font-weight: 900;
        color: rgba(255,255,255,0.1);
        letter-spacing: 2px;
    }
    .media-pill-top {
        position: absolute;
        top: 10px;
        left: 10px;
        background: rgba(13, 14, 17, 0.85);
        color: #F9FAFB;
        font-size: 0.7rem;
        font-weight: 700;
        padding: 2px 8px;
        border-radius: 3px;
        border: 1px solid rgba(255,255,255,0.2);
    }
    .media-rate-top {
        position: absolute;
        top: 10px;
        right: 10px;
        background: var(--brand-orange);
        color: #FFFFFF;
        font-family: var(--brand-font-num);
        font-size: 0.8rem;
        font-weight: 900;
        padding: 2px 8px;
        border-radius: 3px;
    }
    .media-content-body {
        padding: 16px;
        flex-grow: 1;
        display: flex;
        flex-direction: column;
    }
    .media-item-title {
        font-size: 1.05rem;
        font-weight: 800;
        color: var(--brand-black);
        margin-bottom: 8px;
        line-height: 1.4;
    }
    .media-meta-spec {
        font-size: 0.78rem;
        color: var(--brand-text-muted);
        margin-bottom: 12px;
    }
    .media-footer-action {
        margin-top: auto;
        padding-top: 12px;
        border-top: 1px dashed var(--brand-border);
        display: flex;
        justify-content: space-between;
        align-items: center;
    }
    .btn-card-inspect {
        font-size: 0.8rem;
        font-weight: 700;
        background: #111827;
        color: #FFFFFF;
        padding: 4px 12px;
        border-radius: 3px;
    }
    .btn-card-inspect:hover {
        background: var(--brand-orange);
        color: #FFFFFF;
    }

    .pagination-bar-wrap {
        margin: 40px 0 20px;
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: 16px;
    }
    .tactical-pagination {
        display: flex;
        gap: 6px;
    }
    .page-box {
        width: 38px;
        height: 38px;
        display: flex;
        align-items: center;
        justify-content: center;
        background: #FFFFFF;
        border: 1px solid var(--brand-border);
        color: var(--brand-black);
        font-family: var(--brand-font-num);
        font-weight: 700;
        font-size: 0.95rem;
        border-radius: 4px;
        box-shadow: 0 1px 0 var(--brand-black);
    }
    .page-box.active {
        background: var(--brand-black);
        color: #FFFFFF;
        border-color: var(--brand-black);
    }
    .page-box:hover:not(.active) {
        border-color: var(--brand-orange);
        color: var(--brand-orange);
    }

    .comparison-tactical-board {
        background: #FFFFFF;
        border: 1px solid var(--brand-border);
        border-radius: 6px;
        padding: 24px;
        box-shadow: 0 2px 0 var(--brand-black);
    }
    .comp-col-card {
        background: #F9FAFB;
        border: 1px solid var(--brand-border);
        border-radius: 4px;
        padding: 20px;
        height: 100%;
    }
    .comp-col-card.accent {
        background: #FFF7ED;
        border-color: #FDBA74;
    }
    .comp-col-card h4 {
        font-size: 1.15rem;
        font-weight: 800;
        margin-bottom: 12px;
    }
    .comp-list-items {
        list-style: none;
        padding: 0;
        margin: 0;
        font-size: 0.88rem;
    }
    .comp-list-items li {
        padding: 6px 0;
        border-bottom: 1px solid rgba(0,0,0,0.06);
        display: flex;
        align-items: baseline;
        gap: 8px;
    }

    .accordion-tactical .accordion-item {
        border: 1px solid var(--brand-border);
        border-radius: 4px !important;
        margin-bottom: 12px;
        background: #FFFFFF;
        box-shadow: 0 2px 0 var(--brand-black);
    }
    .accordion-tactical .accordion-button {
        font-weight: 700;
        color: var(--brand-black);
        background: #FFFFFF;
        padding: 16px 20px;
        box-shadow: none;
    }
    .accordion-tactical .accordion-button:not(.collapsed) {
        background-color: #F3F4F6;
        color: var(--brand-orange);
        border-bottom: 1px solid var(--brand-border);
    }
    .accordion-tactical .accordion-body {
        font-size: 0.92rem;
        line-height: 1.7;
        color: #374151;
        padding: 18px 20px;
    }

    .related-cloud-zone {
        background: #E5E7EB;
        border-top: 1px solid #D1D5DB;
        padding: 30px 0;
    }
    .cloud-badge-link {
        display: inline-block;
        background: #FFFFFF;
        border: 1px solid #D1D5DB;
        color: #1F2937;
        font-size: 0.82rem;
        font-weight: 600;
        padding: 6px 14px;
        border-radius: 4px;
        margin: 4px;
        box-shadow: 0 1px 0 #9CA3AF;
    }
    .cloud-badge-link:hover {
        background: var(--brand-black);
        color: #FFFFFF;
        border-color: var(--brand-black);
    }

    .site-footer {
        background: var(--brand-black);
        color: #9CA3AF;
        padding: 50px 0 24px;
        border-top: 3px solid var(--brand-orange);
    }
    .site-footer h6 {
        color: #FFFFFF;
        font-weight: 800;
        font-size: 0.95rem;
        margin-bottom: 16px;
        text-transform: uppercase;
        letter-spacing: 0.5px;
    }
    .site-footer ul {
        list-style: none;
        padding: 0;
        margin: 0;
    }
    .site-footer ul li {
        margin-bottom: 8px;
    }
    .site-footer ul a {
        color: #9CA3AF;
    }
    .site-footer ul a:hover {
        color: #FFFFFF;
    }
    .pulse-light {
        width: 8px;
        height: 8px;
        background-color: var(--brand-green);
        border-radius: 50%;
        display: inline-block;
        box-shadow: 0 0 8px var(--brand-green);
    }
    .sub-footer-line {
        border-top: 1px solid var(--brand-border-dark);
        margin-top: 40px;
        padding-top: 20px;
        font-size: 0.8rem;
        text-align: center;
        color: #6B7280;
    }

/* roulang: framework shim */
/* 覆盖 Bootstrap 等对 a/btn 的全局默认，避免导航出现下划线/蓝链 */
.site-header a,.site-header a:hover,.navbar a,.navbar a:hover,.nav-links a,.nav-links a:hover,header nav a,header nav a:hover{text-decoration:none}
.site-header .btn,.navbar .btn,.nav-cta{text-decoration:none}